The above image, taken from http://www.imed.jussieu.fr/niveau1/e1/htdocs/English/afficherTheme.php?noTheme=7, is a correlation matrix from a functional MRI. The goal was to determine the correlation between different regions of the brain in order to help with mapping brain function. In this case warm (yellow to red) colors indicate positive correlations whereas cool (blue) colors indicate negative correlations. Wednesday, July 30, 2008
Correlation Matrix
The above image, taken from http://www.imed.jussieu.fr/niveau1/e1/htdocs/English/afficherTheme.php?noTheme=7, is a correlation matrix from a functional MRI. The goal was to determine the correlation between different regions of the brain in order to help with mapping brain function. In this case warm (yellow to red) colors indicate positive correlations whereas cool (blue) colors indicate negative correlations. 
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